The warning light doesn't tell you how healthy the battery is, it tells you if there are any problems with the charging system. A flickering light means charging is intermittant for some reason, so it would be worth checking the alternator or voltage regulator, which might be on the way out. It's worth also checking that the warning light circuit and bulb are ok - if it lights up brightly and continuously when you switch the ignition on, then goes off when you start the engine, it's ok. Hope that helps.
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Related Questions
Where is the battery in a 2004 Mercury Sable?
On a 2004 Mercury Sable : The battery is in the drivers side of the engine compartment at the front
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It is possibley your alternator or battery
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On a 2001 Mercury Sable : The battery is located in the front of the engine compartment , on the drivers side
Why wouldn't my 1999 Mercury Cougar be accelerating as much as it used to after gunning the engine the other day?
check the recalls!!
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Because you are about to throw a rod. You need to find a mechanic quick!
Why does the service engine light come on when accelerating your 2000 mercury villager?
It's probably misfiring. You would need to diagnose why.
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On a 1997 Mercury Mountaineer : The " CHECK ENGINE " warning light is just to the left of the battery voltage gauge
What would cause stuttering while accelerating in a 2002 Mercury Cougar?
The most likely cause is a dirty fuel filter that starves the engine.
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Clean the battery cables and make sure the wires to the alternator are tight and without corrosion.
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I believe it is mounted below the battery tray in the engine compartment
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Usually on the lower end of the engine follow the + battery cable to the solenoid and then to the starter
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Does 1999 mercury mystique have an alternator warning light?
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You either need a scan tool, or unhook the battery for a minute.
What would cause your headlights to flicker your radio to go off and on and your dash gauges to go crazy?
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Car battery keeps draining and alternator light starts to come on when accelerating?
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Why do the dash lights and headlights flicker on a 2000 Mercury Cougar?
There are several things it could be, but the most obvious and common is a bad battery. Most people incorrectly diagnose this as the alternator, however, it is in fact a bad battery. The battery is not holding a charge and is constantly placing a full drain on the alternator produing your flickering/pulsing. Check the voltage on the battery with the engine off immediately after running the engine for at least 15min. Wait a few hours (overnight even better) and check the voltage again. Anything more than a tenth of a volt drop or even really hundredths or so and you have a failing battery. For ex. right after running if the battery reads 12.5V and then after say 8-12+ hours if the battery reads 11.9V you definitely have a failing battery. If it does not seem to be a bad battery, repost and we'll go from there on less likely causes.
Is a battery a part of an engine?
the battery is a part of the vehicle as is the engine.
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It needs a new engine... :(
